Datasheet

Table 1. Voltage and current operating requirements (continued)
Symbol Description Min. Max. Unit Notes
V
BAT
RTC battery supply voltage 1.71 3.6 V
V
IH
Input high voltage (digital pins)
• 2.7 V ≤ V
DD
≤ 3.6 V
• 1.7 V ≤ V
DD
≤ 2.7 V
0.7 × V
DD
0.75 × V
DD
—
—
V
V
V
IL
Input low voltage (digital pins)
• 2.7 V ≤ V
DD
≤ 3.6 V
• 1.7 V ≤ V
DD
≤ 2.7 V
—
—
0.35 × V
DD
0.3 × V
DD
V
V
V
HYS
Input hysteresis (digital pins) 0.06 × V
DD
— V
I
ICDIO
Digital pin negative DC injection current — single pin
• V
IN
< V
SS
-0.3V
-5 — mA
I
ICAIO
Analog
2
, EXTAL0/XTAL0, and EXTAL1/XTAL1 pin DC
injection current — single pin
• V
IN
< V
SS
-0.3V (Negative current injection)
• V
IN
> V
DD
+0.3V (Positive current injection)
-5
—
—
+5
mA
I
ICcont
Contiguous pin DC injection current —regional limit,
includes sum of negative injection currents or sum of
positive injection currents of 16 contiguous pins
• Negative current injection
• Positive current injection
-25
—
—
+25
mA
V
ODPU
Open drain pullup voltage level V
DD
V
DD
V 4
V
RAM
V
DD
voltage required to retain RAM 1.2 — V
V
RFVBAT
V
BAT
voltage required to retain the VBAT register file V
POR_VBAT
— V
1. Analog pins are defined as pins that do not have an associated general purpose I/O port function. Additionally, EXTAL and
XTAL are analog pins.
2. Open drain outputs must be pulled to VDD.
5.2.2 LVD and POR operating requirements
Table 2. LVD and POR operating requirements
Symbol Description Min. Typ. Max. Unit Notes
V
POR
Falling VDD POR detect voltage 0.8 1.1 1.5 V
V
LVDH
Falling low-voltage detect threshold — high
range (LVDV=01)
2.48 2.56 2.64 V
V
LVW1H
V
LVW2H
V
LVW3H
V
LVW4H
Low-voltage warning thresholds — high range
• Level 1 falling (LVWV=00)
• Level 2 falling (LVWV=01)
2.62
2.72
2.82
2.92
2.70
2.80
2.90
3.00
2.78
2.88
2.98
3.08
V
V
V
V
Table continues on the next page...
General
K60 Sub-Family, Rev5, 10/2013.
Freescale Semiconductor, Inc. 13